1. No slippage during work.Automatic tightening without retighening.
2. Release by hand after tapping or drilling. No hook spanner needed.
3. It can tap M24 screw and drill φ30mm drilling hole.
4. Reverse rotation and locking can be done by one touch of operation.
5. No loosening at emergency stop at high RPM.
6. The same torque at forward rotation and revers rotation.
7. The lock-mechanism enables working in reverse rotations.
8. True key-less self-tightening drill chuck.